Chemistry Jeopardy Chemistry Jeopardy Chapter 5 Plus Review Odds and Ends 1-4 Famous dead guys and their ideas What’s in a name Have a Happy Period or Group Trendy Trends More Odds and Ends

Odds and Ends What is the shape of the p orbital? Draw it –dumbbell –The e- configuration is unique in each element

Odds and Ends The time it takes for half of a radioactive element to decay is called? –The half life

Odds and Ends During Nuclear Reactions mass is not conserved (despite the Law of Conservation of Matter!) What is this called? Mass Defect

Odds and Ends Why is the Atomic Emission (Line) Spectrum unique to each element? It has a unique electron configuration

Odds and Ends What are C-12 and C-14 called? Name two ways they differ –Isotopes –Atomic Mass and # neutrons

Famous Dead Guys and their ideas Who discovered the concept of Triads? –Dobereiner

Famous Dead Guys and their ideas Who came up with the idea that every eighth element has similar properties? –Newlands

Famous Dead Guys and their ideas Who is credited with the development of the modern Periodic Table and why? –Mendeleev –Predictive (properties and unknowns)

Famous Dead Guys and their ideas Who discovered the atomic number? –Mosley

Famous Dead Guys and their ideas What is Newlands law called? (please don’t think too hard) –Law of Octaves

What’s in a name? What is the name of group 1 (IA)? –Alkali metals

What’s in a name? What is the name of group 2 (IIA)? –Alkaline Earth

What’s in a name? What is the name of group 18 (VIIIA)? –Nobel Gases.

What’s in a name? What is the name of group 17 (VIIA)? –Halogens

What’s in a name? To which block does Au gold belong? Which is the largest block holding 14 elements? –Block d –Block f

Have a Happy Period Which way do the periods move, horizontal or vertical? –horizontal

Have a Happy Period How many elements are in the first period? –two

Chapter Which sublevels (blocks) does the second period contain? –S and p

Have a Happy Period Elements within the same group have the same number of? –Valence electrons

Have a Happy Period The electrons responsible for chemical behavior are called the? Place these substances from largest to smallest Li+, Li, Mg, F- –valence electrons –F-, Mg, Li, Li+

Trendy Trends What happens to the Atomic Radius as you move from left to right across a period? –It decreased

Trendy Trends What happens to Atomic Radius as you move down a group? –It increases

Trendy Trends Which element on the PT has the largest Atomic Radius? –Fr

Trendy Trends What is the Ionizing Energy? What is electronegativity? What is the trend for metals and non-metals –Energy to REMOVE an electron –Ability to ATTRACT electrons –Metals low IE will lose e- (+ions) –Non-metals high IE will not lose electrons, high EN will only gain (- ions)

Trendy Trends What happens to the Ionizing energy as you move down a group? Across a period from left to right? –It decreases –It increases

Trendy Trends When an atom loses an electron its ions atomic radius size does what? –decreases

Trendy Trends Which group has the highest ionizing energy and why? –Noble Gases –Full valence shell

Trendy Trends For each set who has the larger atomic radius? Na:K O:F –K–K –O–O

Trendy Trends For each set who has the smaller atomic radius? Na + :Cl - N 3- : P 3- –Na+ –N 3-

Trendy Trends Which group has the highest electron affinity? –halogens

More Odds and Ends Write the electron configuration for tin –[Kr] 5s2 4d10 5p2

More Odds and Ends Indicate the location, charge and relative mass of each of the subatomic particles –Protons +, nucleus, 1AMU –Neutrons +/-, nucleus, 1AMU –Electrons -, orbit, 0AMU

More Odds and Ends List the electromagnetic spectrum from longest wavelength to shortest? On either end of the spectrum indicate the relative frequency and energy –R;M;IR; (ROYGBIV)UV;X-ray;Gamma –Long wavelengths. Low frequency and energy moving toward short wavelengths high frequency and energy

More Odds and Ends How do you calculate the atomic mass found on the PT if you know the fractional abundance (%) of each isotope? –(% x mass) + (% x mass)

More Odds and Ends Which are more similar groups or periods? Why? –Groups –Same number of valence electrons therefore similar chemical properties (willingness to gain or lose same number of valence electrons)

Final Jeopardy Indicate each of the trends (AR, IE, EA and EN)